Скачать или смотреть Prepositions of Time: at/on/in (Part 1) ការប្រើធ្នាក់​ at/on/in និយាយពីពេលវេលា (ភាគ១)

  Compare at, on and in:
-They arrived at 5 o’clock.
-They arrived on Friday.
-They arrived in June.
-They arrived in 2012.

  We use at for the time of the day.
-at 6 o’clock
-at 11:45 am
-at midnight
-at lunchtime
-at sunset, etc.

Example sentences:
-I usually get up at 6 o’clock.
-She has lunch at 11:45 am.
-They had to leave at midnight.
-That restaurant is generally packed at lunchtime.
-Every evening at sunset, the flag is lowered.

  We use on for days and dates.
-on Friday
-on Fridays (=every Friday)
-on 16 May 2012
-on New Year’s Day
-on my birthday, etc.

Example sentences:
-I have to clean my classroom on Fridays.
-My first niece was born on 16 May 2012.
-My shop always gets a lot of customers on New Year’s Day.
-We went out for a meal on my birthday.

  We use in for longer periods (months, seasons, years, decades, centuries etc.)
-in June
-in (the) winter
-in 2012
-in the 1990s
-in the 20th century
-in the past, etc.

Example sentences:
-Dara’s birthday is in June.
-It usually snows here in winter.
-I got married in 2012.
-The internet started becoming more widely used in the 1990s.
-The impact of technology grew rapidly in the 20th century, transforming communication and daily life.
-In the past, people relied on handwritten letters to communicate over long distances.